Gas Safety Syllabus For 120kW Class B gas fitter Certificate of qualification examination *For individuals enrolled in a B level training course/program after April 01, 2009. Implementation date: January 2010 1
1. Prerequisites to obtain a class B Gas fitter certificate of qualification An applicant for a class B gas fitter s certificate of qualification must meet the Requirements of the Safety Standards Act and applicable regulation. 2. Scope of class B gas fitter certificate of qualification (2) A class B gas fitter certificate of qualification entitles the holder to perform the installation or alteration of the following gas systems under an appropriate permit: (a) an appliance with an input of 120 kw or less that displays a label or mark as follows: (i) a certification mark; (ii) an approval mark issued under section 10 of the Act; (b) piping and vents. (c) Repealed. [B.C. Reg. 150/2011, s. 1.] 3. Subject Areas of Study 3.1 Safety Standards Acts and applicable regulation 6% 3.1.1 Certificate of qualification 3.2.2 Duties of licensed gas contractor and permit holder 3.2.3 Requirements for permits 3.1.4 Regulated product standards and certification 3.1.5 Inspections 3.1.6 Technical requirements 3.1.7 Fees 3.2 Gas Properties 5% 3.2.1 Sources, Contents (Natural & Propane 3.2.2 Specific Gravity 3.2.3 Flammable Limits 3.2.4 Ignition Temperature 3.2.5 Flame Speed 3.2.6 Toxicity 3.2.7 State (liquid & gaseous) Percentage (%) on Exam 2
3.3 Combustion 5% 3.3.1 Perfect Combustion 3.3.2 Products of Combustion & Volumes 3.3.3. Air Required 3.3.4 CO 3.3.5 Air (Combustion, excess & dilution) 3.3.6 Flue Gas Analysis 3.3.7 Combustion Efficiency Percentage (%) on Exam 3.4 Regulators 5% 3.4.1 Principle of Operation 3.4.2 Types; Service, Line, Appliance 3.4.3 2psig & Higher 3.4.4 Relief & Vents 3.4.5 Sizing 3.4.6 Regulations 3.5 Appliances 7% 3.5.1 B.C. Gas Code (Part 6 B149) 3.5.2 Hot Air Furnaces & Duct Systems 3.5.3 Boilers (Pool Htrs) & HW Heating 3.5.4 Water Heating, Storage & Instantaneous 3.5.5 Residential Gas Ranges 3.5.6 Clothes Dryers 3.5.7 Fireplaces (all types) 3.5.8 Commercial Kitchen Appliances 3.5.9 Make-up Air (Direct & Indirect) 3.5.10 Infra Red Heating 3.5.11 Conversion from other Fuels 3.6 Combustion Air Sizing 5% 3.6.1 Regulations 3.6.2 Sizing under 400m 3.6.3 Sizing over 400m 3.6.4 Louver Sizing 3
3.7 Venting Sizing 14% 3.7.1 Purposes 3.7.2 Principles 3.7.3 House as a System 3.7.4 Draft Control 3.7.5 Materials 3.7.6 Sizing Tables & Notes 3.7.7 Sizing Multiple 3.7.8 Direct Vent 3.7.9 Installation 3.7.10 Fan, Forced & Induced 3.7.11Regulations 3.7.12 Vent Sizing Percentage (%) on Exam 3.8 Burners 5% 3.8.1 Principles 3.8.2 Lifting, Flashback, & Problems 3.8.3 Orifice Types 3.8.4 Pressure & Orifice 3.8.5 Orifice Tables & Sizing 3.8.6 Input & Output 3.8.7 Converting (Natural to-from Propane) 3.8.8 High Altitude 3.9 Meter Clocking 5% 3.9.1 Gas Meter Operation 3.9.2 Metric/Imperial Meters 3.9.3 Clocking Formula 3.9.4 Clocking Low Pressure 3.9.5 Pressure Correction 3.9.6 Clocking High Pressure 3.10 Controls 10% 3.10.1 Electric Valves 3.10.2 Non-electric Valves 3.10.3 Combination Valves 3.10.4 Water Heater Valves 3.10.5 Gas Range Valves 3.10.6 Flame Safeguard Systems & Purpose 3.10.7 Thermocouples 3.10.8 Pilot Generators 3.10.9 Flame Rods 3.10.10 Spark Control Modules 4
Percentage (%) on Exam 3.11 Electrical 12% 3.11.1 Electrical Theory 3.11.2 AC & DC 3.11.3 Magnetism 3.11.4 Circuits, Series & Parallel 3.11.5 Symbols 3.11.6 Diagrams, Schematic & Ladder 3.11.7 Millivolt 3.11.8 Meters & Trouble Shooting 3.11.9 Polarity & Phasing 3.11.10 Single Thermocouples 3.11.11 Pilot Generators 3.11.12 Millivolt Trouble Shooting 3.11.13 Canadian Electrical Code Section 2, 4, 6, 8, 10, 12, 14, 16, 18 3.12 Pipe Requirements 14% 3.12.1 Related Regulations 3.12.2 Materials (Natural & Propane) 3.12.3 CSST (Corrugated Stainless Steel Tubing) 3.12.4 Joining Pipes 3.12.5 Flow & Press Drop 3.12.6 Sizing Tables 3.12.7 Sizing Low & 2psig 3.12.8 High Pressure (Combined) 3.12.9 Manual Shut-offs 3.12.10 Testing Piping 3.12.11 Cathodic Protection 3.12.12 Pipe Sizing 3.13 Servicing 7% 3.13.1 Wiring Diagrams 3.13.2 Controls 3.13.3 Ignition Systems 3.13.4 Trouble Shooting Electrical Problems 3.13.5 Trouble Shooting Venting Problems 3.13.6 Trouble Shooting Appliance Operation 3.13.7 Trouble Shooting Burner Operation 3.13.8 Checking Regulators Total 100% 5